If the roof of a house is painted with a shiny metallic paint, the temperature inside will
A) Rise
B) Fall
C) Remain unchanged
D) Depends on other factors
E) None of the above
Correct Answer:
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Q36: The thermal conductivity of wood depends upon
A)Density
B)Moisture
Q37: In case of natural covection, the Nusselt
Q38: Transient heat flow occurs in
A)Cooling of casting
B)Heating
Q39: If thermal conductivity of aluminium is say
Q40: The highest value of thermal conductivity is
Q42: Plank's law of radiation is applicable to
A)Radiation
Q43: Diffusion coefficient of water into air at
Q44: A wall has two layers A and
Q45: Hydrogen cannot be liquefied at room temperature
Q46: Ablation heat transfer method is used on
A)nuclear
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